It is going to come down to how you use your car as to whether a Hybrid makes sense. Around town with plenty of stops and starts you get the advantage of regenerative braking and at city speeds hybrids will often stay in electric motor only mode so zero emissions and a whisper quiet ride. One recently noted disadvantage of this is blind people do not hear them coming when they are waiting to cross the road!

However on long haul highway driving you may well be better off with an efficient diesel. One of the car magazines did a bake off recently between a Lexus 4x4 hybrid and the new Merc 4x4 diesel over a few hundred miles and the Merc returned better fuel mileage.

OIMO